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Article | REF: RE137 V1

Magnetically hard intermetallic insertion compounds

Author: Lotfi BESSAIS

Publication date: March 10, 2012

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AUTHOR

  • Lotfi BESSAIS: Professeur des Universités ICMPE, UMR 7182, CNRS – Université Paris 12

 INTRODUCTION

Summary

The intrinsic magnetic properties of rare-earth and transition metal materials are considerably enhanced by the insertion of a light element such as hydrogen, carbon or nitrogen. Extrinsic magnetic properties, meanwhile, are optimized by the development of nanomaterials, revealing new phases with high-performance characteristics.

Abstract

The insertion of a light element such as the hydrogen, the carbon or the nitrogen in alloys with rare earth and transition metals drastically improves the intrinsic magnetic properties of these materials. With the aim of optimizing the extrinsic magnetic properties, the elaboration of nanomaterials leads to new phases in the successful magnetic characteristics.

Keywords

magnetic nanomaterials, magnetic recording, permanent magnets

Keywords

nanomagnetic materials, recoding media, permanent magnets

Key points

Sector: Energy

Degree of technology diffusion: Emergence | Growth | Maturity

Technologies involved: permanent magnets, hybrid motors

Applications: wind turbines, magnetic refrigeration

Main French players :

Centers of expertise: CNRS ICMPE laboratory and Institut Néel, ENS Cachan, Dumaïne University condensed matter laboratory

Other global players: Toyota, Airbus

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